Wrapping-machine.



No. 650,279. Patented May 22, 1900. A. swilTH. WRAPPING FHAGHINE.

(Application filed Nov. 11, 1899.)

7 Sheets-Sheet I.

(No Model.)

m. 650,279. [Patented May 22, I900.

A. SMITH.

WRAPPING MACHINE.

(Application filed Nov. 11, 1899.) (No Model.) 7 Sheets$heet 2.

IN VEN T0? WITNESSESr l TTOHNE Y8 (No Model.)

A. SMITH.

WRAPPING PHAGHINE.

(Application filed Nov. 11, 1899.)

Patented May 22, I900.

7 Sheets-Sheet 3,

IN YEN 70R No. 650,279. Patented May 22, I900.

A. SIIIITH.

WRAPPING MACHINE.

(Application filed Nov. 11, 1899.) 6N0 Model.) 7- Sheets-Shoet 4.

lN VENTOH W/WESSES;

No. 650,279. Patented May 22, I900. A. SMITH. WRAPPING MACHINE.

(Application filed Nov. 11, 1899.)

7 Sheets-Sheet 5. 1

(No Model.)

ATTORNE YS No. 650,279. Patented may 22, I900. A. SMITH.

WRAPPIHG MADE-ME.

(Application filed Nov. 11, 1599.

7 Sheets-Sheet 6.

(No Model.)

A TTOI'WE Y8 win/8558: a514,,

Patented May 22, I900.

A. SMITH.

WRAPPING MACHINE.

(Application filed Nov. 11, 1899.)

7 Sheets-Sheet 7,

(No Model.)

-FIG. /4

HYVENTUR Unwrap S raras Parent @rrrnn.

ARTHUR SMITH, OF IIANDSVVORTII, ENGLAND.

WRAPPING-=MACHINE.

SPECIFICATION forming part of Letters Patent No. 650,279, dated May 22,1900. Application filed November 1 1, 1899. Serial No. 736,621. (Nomodel.)

To all whom zit may concern.-

Be it known that I, ARTHUR SMlTH, a subject of the Queen of GreatBritain and Ireland, and a resident of 176 Oxhill road, Handsworth, inthecounty of Stadord,England,have invented certain new and usefulimprovements in machines and appliances for the packing of powdered orlike substances in paper or other bags or receptacles, (for which I havefiled an application in Great Britain, No. 5,495, bearing date March 14,1899,) of which the following is a specification.

My invention has for its object the construction of convenient andefiective inachines and appliances whereby powdered or like substancescan be readily packed in the required quantities in paper or other bagsor receptacles.

The seven accompanying sheets of explanatory drawings, to be hereinafterreferred to, illustrate my invention.

Figure 1 is a side elevation, and Fig. 2 an end elevation, representinga machine constructed in accordance with my invention. Fig. 2 is anelevation, and Fig. 2 a plan, of one of the bag-shells or metallicliners. Fig. 3 is a plan showing different portions of the pair ofrotatable tables, and Fig. 4 a plan of the table-operating mechanism.Fig. 5 is an elevation of the mechanism for raising the table-operatingweight. Fig. 6 is an end elevation, and Fig. 7 a side elevation, showingthe ejecting mechanism. Fig. 8 isa side elevation, and Fig. 9 an endelevation, showing, to a larger scale, a bag-closing mechanism. Fig. 9is a detail view. Fig. 10 is a plan of a portion of the said closingmechanism, and Fig. 11 an end elevation of another portion of the same.Fig. 12 is a diagrammatic sectional elevation showing the arrangement ofparts for effecting the automatic expansion of the compression plungerpacking ring. Fig. 13 is a side elevation, Fig. 1% a plan, and Fig. 15an end elcvatiomof a bagor package, showing the various stages in thefolding and closing of its upper end. Fig. 16 is an isometric view ofthe completed package.

The same reference-letters in the different views indicate the sameparts.

In constructing a d uplex machine such as illustrated in accordance withmy invention for the packing of powdered sheep-dip or other substancesint-o paper or other bags or receptacles I mount avertical frame orupright A- on a bed-plate or platform A, supported on standards A A suchparts being erably, through spur-wheels b b by chain gearing, as shown,from the main or first-motion shaft 0, beneath the platform A of themachine.

Beneath each pair of reciprocating rods D D, I mount on avertically-disposed pin or shaft, as E and E, a rotatable tableconsisting of a pair of circular plates F F, preferably of cast-iron,placed one above the other and connected together by a central boss Fwhich is fixed upon the pin or shaft E or E. Through each of the platesF F of the rotatable tables I form equally-spaced apertures, preferablyfour in number, for the reception of the bags into which the substanceis to be packed and the shells or metal liners, as G, over which thebags are drawn for the charging or packing operation. The shellsorliners are open at the top and bottom; but the bottoms of the bagsdrawn over the liners serve to prevent the substance charged into themfrom falling through. The upper ends of the shells or liners areslightly bell-mouthed, as shown, and to support them upon the upperplates of the rotatable tables they are pro vided with theabutment-pieces 9, one of such pieces on each shell having an extensionor projecting lug g, which by contact with the stop-bracket g fixed tothe base of the uprightA, prevents withdrawal of the liner on the returnmovement of the compressionplunger rod D.

The rotation of each of the tables is effected by thedescent at theproper time of the weight H. The weight-suspension cord or chain 11 iscarried over and grips or engages the Wheel or pulley J and from thencepasses to and grips or engages the sheave-like pawl plates or arms J andJ loosely mounted on the vertical shafts E and E, respectively. On eachof the said plates or arms J and J I pivot a spring pawl or ratchet, asj, which engages a ratchet-Wheel j. Each of the shafts E and E has sucha ratchet-Wheel j fixed thereon.

The Wheel or pulley J is mounted loosely upon a shaft ii, supported inthe standards A A the said shafts being driven by the spur-Wheels 7.: 7;from the main or first-motion shaft C of the machine. Adjacent to theWheel or pulley J, l fix on the shaft K a disk K,having alaterally-projecting pin Kiwhich, on the rotation of the disk K,operates the bell-crank lever L, pivoted to the standard A and as oneend of the said lever is jointed to the link L, connected to the pulleyJ, a rotary movement is imparted to the said pulley sufficient to raisethe Weight ll to a position in readiness for the operation (on itssubsequent descent) of the table mechanism hereinloeiore described. Aportion of the disk K is represented as broken away at Fig. 5 in orderthe more clearly to show the arrangement of the parts between such diskand the pulley J. The fulllines at Fig. 5 represent the positions of thebell-crank lever L and connecting -link L before the raising of theweight, While the dotted lines represent the positions of such partsafter the raising of the Weight H.

During the raising of the Weight Ll no movement is imparted to thetables mounted on the shafts E and E, as the pawls j slip over the teethof the ratchet-Wheels]; but on the descent of the Weight the rotarymovement of the sheave-like paWls, plates, or arms J and J is impartedto the tables, which are thereby rotated, at each descent of the Weight,through one-quarter of a revolution. During the raising of the Weight bythe action of the mechanism hereinbefore described a sufficient tensionis maintained on the cord or chain H to keep it taut, and thesheave-like pawl-arms d and 5 are returned from the full-line positionsto the dotted-line positions (shown at Fig. 4-) by the action of a pairof spring-boxes M and M, arranged on opposite sides or ends of themachine and connected with chains m and m, respectively.

The Weight ll is retainedinits elevated position by the pawls N N,engaging with the periphery of the lower plates 1 of the tables, and nodescent can take place until the release of the pan/ls. Such release iseffected through the medium of linkage, as shown at 1 and the projectinglug k5 on the disk K, which lug at a certain period engages With thebell-crank lever G and imparts to the same the necessary motion,which istransmitted through the links 0 0 O and bcllcrank lever O to the pawls NN. The Weight H is then free to descend and in so doing operates thepawl plates or arms J J, and thus the said arms J and J by the cords orrotates the packing-tables through a quarter of a revolution against theaction of the spring-boxes M M.

To minimize shock and topreventdisplacement of any of the parts by thetoo-rapid descent of the weight II, I mount on the platform A, adjacentto the peripheries of the plates F of the revolving tables, brake-pawls,as P l which are kept in contact with the said plates by spring-pluugcrsarranged in the casings or brackets 12 p. In addition to acting aschecks on the rotation of the tables the brake-pawls l P also serve toprevent any accidental reverse rotation of the tables.

\Vith the packing-tables and their operating mechanism constructed andarranged as hercinbcfore described it will be understood that a completerevolution of the tables is effected in four stages with a suilicientpause between each stage to enable the whole of the operations of themachine to be effectually performed. The operations performed on eachtable are precisely similar.

A paper or other bag having ashell or liner, as G, within it is insertedin eitherof the tables at the position f and supported by the bed-plateor platform A. Such bag andliner are then moved through oncquarterof arevolution (by the action of the mechanism hereinbefore described) andso brought to the position f which isimmediatelyunder thedischarge-outlet of a suitable Weighinganachine or charging apparatus.(Not shown in the drawings.) Atthisposition theexactarnount of materialto be packed in one is an or charged into it. After such. charging 0table is moved through another quarter of a revolution to bring the bag,with its liner, to the position f beneath the compressingplunger (I,which descends into the liner and compresses the substance to nearly thedesired bulk. The coiuprcssing-plunger (Z is attached to the lower endof the plungerrod D, hereinbefore referred to, and is provided with arubber or other elastic packing ring (1, Fig. 12, which is expanded onthe entry of the plunger into the liner G. The said expansion of thering (1 is effected by the arrangement of a loose base-plate (2*, havinga stem or tailpiece passing up the hollow center of the plunger-rod l).A lateral projec tion (1 (passing through slot in the rod from the saidstem or tailpiece abuts against a lover d pivoted on the exterior of therod D. The position of the lever d ishorizontal, as shown, and itsjointed end d ahuts against a projection d from the side of. the machinewhen the plunger (1 first enters the shell; but as its descent iscontinued the lover becomes tilted to the position shown by dottedlines, and thus the stem of the base-plate d raised by the action of thecam-like central portion (1 of the lever (1 upon the projection (Z asufficient distance to compress the packing -ring at and so expand itsperiphery against thcinterior surface of the liner. lVhen the plunger isnear the completion of its stroke, the lever abuts against anotherprojection d from the framing of the machine, which returns it to ahorizontal position, thus releasing the compression on the plungerring(1. On the return stroke of the plunger the jointed end (1 0E the lever(Z will yield to permit the lever to pass above the projec tion (1.

On the ascent or withdrawal of the plunger from the shell or liner thetable is moved through the third quarter of a revolution, and the bag,with its contents, is thus brought to the position f beneath thereciprocating ejecting-rod D, which is so connected by linkage with theplunger-rod D as to move with the same. The linkage consists,preferably, of a lever Q, (shown by a dotted line and in three differentpositions at Fig. 2,) pivot-ed at Q to theframe or upright A andengaging at its free end with the rod D, and a link Q connecting thesaid lever Q with the rod D. By such ejecting-rod the bag and thecompressed substance are together discharged from the shell or linercarried by the rotatable table and caused to pass through an aperture inthe bed-plate or platform A into a receiving-box R beneath the table,where the substance is further compressed to the exact bulk required bythe plunger D on the end of the rod D. The pair of receiving-boxes Rbeneath the respective rotating packingtables are mounted upon a slidingor horizontally-reciprocating -platform R and are each fitted with afalse bottom. The reciprocation of the platform R is effected by themotion of the cam 3 0m the shaft K, such motion being transmittedthrough links R R and R \Vhen by the action of the sliding platform Bafter the ascent of the ejecting-rod D the receiving-boxes Raredrawnaway clear of the said rods, the jaws at the lower ends of the rods Rprojecting from the false bottoms of the respective receiviugzboxes R,are brought into engagement with the ends of the levers R mounted on arocking shaft R which is operated by the action of a projection R fromthe cam R on the bar R arranged in connection with the lever B, mountedon the said shaft R By the movement of the rocking shaft R the falsebottom of each receiving-box is forced up into the said box and liftsthe package until. its bottom is level with a receiving-trough S, (oneof such troughs being arranged on each side of the machine,) onto whichit is automatically pushed by the plates S, attached to a sliding bar Swhich is reciprocated by the action of a spring S and a bell-crank leverS operated from the revolving disk S on the uppershaft I through themedium of the rod S". As each package is thus pushed onto the trough Sthe preceding package is automatically pushed by the rear package fromthe trough onto any ordinary conveyer. (Not shown in the drawings.)

At the upper end of each receiving-box R, I arrange devices for theautomatic folding and closing of the mouth of the bag, such folding andclosing operations being effected during the time of the conveyance ofthe package from the position of its ejection by the rod D to thedischarge-trough S. A bag with the material packed therein isrepresented by an elevation and plan, respectively, at Figs. 13 and 14.The first operation necessary in the closing of the open upper end ofthey bag consists in the folding down of the two sides T and T, and thisis effected by the action of the reciprocating plates 25 t, which slidein opposite directions along the flanges or lateral brackets r,projecting from the up per ends of opposite sides of the receivingbox B.

On the movement of the box R, with its platform R, in the directionindicated by the arrows at Figs. 9 and 10 the projections i from thelevers t which are pivoted to the respective brackets r, strike theabutmentblocks, as t", pivoted, respectively,upon a portion of thestandard A and a bracket, as i suspended from the bed-plate or platformA of the machine. As the movement of the box continues toward thecompletion of its stroke the said abutment-blocks cause the lovers t toturn upon their pivots and to assume such a position as is indicatedbythe center line 1 2 at Fig. 10. The plates '6 t being connected by pegs,as i, with the slotted portion (see Fig. 10) of the respective levers 15such plates are caused by the aforesaid movement of the levers toadvance onto the two sides T T of the upper part of the bag and to foldthem down to the position indicated by the dotted lines at Fig. 13. Whenthe levers 25 with the box B, have sufficiently advanced to carry thepegs or projections 6 clear of the abutment-blocks t the said levers areimmediately returned to their normal position by the action of thesprings, such as 27, and thus withdraw the plates 15 i. As the stroke ormovement of the box It is continued in the aforesaid direction aprojection U, mounted on one end of a spindle U, extending across oneside of the top of the box and upon which is mounted the foldingplate Uis brought into contact with the abutment-piece U pivoted on the bracket6 and the said folding-plate U is thereby rotated or turned downsufficiently for the folding of the upper end of the side T of the bagto the position indicated by the dotted line at Figs. 14 and 15. Thefolding-plate U is provided on its under or inner side with a felt orother pasting-pad U, which is supplied with paste or glue from a hopperor reservoir U mounted on the upper or outer side of the plate. Thereturn of the folding-plate U when the projection U is clear of theabutment-piece U is elfectcd by the action of any suitably-arrangedspring. To prevent adhesion of the gummed, pasted, or glued IZC portionof the bag to the pad on the under side of the folding-plate U on thereturn movement of such plate, I pivot a strippers.

bar U upon the aforesaid spindle U and which on the ascent or return ofthe plate U and pad "U is retained in the position indieated at Fig. 11by the engagement of one end of the bell-crank lever U with the notchedpivot-boss of the stripper-bar, as shown at Fig. 11. The lever U is heldup by the action of the spring U During the last portion of the strokeor movement of the box R in the direction indicated by the arrows atFigs. 9 and 10 the plate to at the upper end of thebox R is operated forthe purpose of folding down the fourth side T of the bag onto thegummed, glued, or pasted portion T beneath it. The completed package isshown by the isometric view at Fig. 16. The said foldingplate u ismounted upon the spindle u and the necessary rotary movement is impartedto it through a quadrant-1L having teeth gearing with the wheel orpinion u fixed on the said shaft to, as shown at Fig. 9. The quadrant nhas a tailpiece to", which strikes (on its movement with the box R) theabutment-piece uipivoted on the aforesaid bracket i and thus the rotarymovement of the spindie a is effected. The elevation of the stripper-barU is accomplished during the descent of the folding-plate u by theabutment of the lever to, mounted on one end of the spindle u, against aprojection from the link U", supported bya stud U screwed into the sideof the box R, the stud being passed through a slot in the link, asshown. As the link is connected with the bell-crank lever U, itsmovement will effect the withdrawal of such lever from engagement withthe hereinbeforedescribed notched pivot-boss of the stripperbar U, andthe latter will then be raised by the action of a suitably-arrangedspring. On the return stroke of the box R or its movement in thedirection opposite to that indicated by the arrows at Figs. 9 and 10 thevarious abutment-pieces u i, and U will spring back to permit the leversor projections to pass the same. By the last quarter of the revolutionof the rotating tables the liner or shell is brought or carried from theposition f back to its starting position 7, where the shell or liner isremoved by the operator and replaced by another having a bag slippedover the same ready for a repetition of the packing operations in thesucceeding revolution.

Although I preferably construct my machines of a duplex type having tworotatable tables each arranged with the necessary compressing and othermechanism, such as hereinbefore described, I sometimes construct amachine with but one table or with more than two tables, as may benecessary to meet the requirements of varying services.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is

- 1. In machines for the packing of powdered or like substances in bags,the combination consisting of the reciprocating plungers and rods D D,intermittently-rotating tables hav ing perforated upper and lower platesF F, a series of bags each having a liner G and moving with the saidtables, a bag-supporting platform A having a discharge-aperture formedthrough it, and a package-receiving box R reciprocating beneath the saidplat form, substantially as set forth.

2. In machines for the packing of powdered or like substances in bags,the combination with a rotating table having perforated upper and lowerplates F F, of bags respectively fitting in the said perforations, eachbag being provided with a detachable metallic liner G havingabutment-pieces g and a laterallyprojecting lug g, substantially as setforth.

3. In machines for the packing of powdered or like substances in bags,the combination with rotatable tables secured to the shafts E E whichhave each a ratchet-wheel j fixed thereon, of a weight H, flexiblesuspensionline H, grip-wheel J, pawl-plates J and J loosely mounted onthe said shafts E and E respectively,each of the said pawl=plates havinga spring-pawlj pivoted thereon, the free ends of such pawls respectivelyengaging with the ratchet-wheels on the said shafts E and E,substantially as set forth.

4:. In machines for packing powdered and like substances in bags and incombination, rotatable tables, ratchet-wheels adapted to turn saidtables, pawl-plates carrying pawls for engaging said ratchet-wheels,tensioncords connected to said pawl-plates, aweight- "ed line engagingsaid pawl-plates, and acting in opposition to said tension-cords, andmeans for operating said pawl-plates against the tension of the weightcomprising a rotatable linegrip wheel engaging said weighted line, anoperating-disk having a projection, a bellcrank lever pivoted to astationary part of the frame and adapted to be rocked by the projectionon the disk, and a link connecting said bell-crank and line-grip wheel,substantially as described.

5. In machines for the packing of powdered or like substances in bags,the combination with the rotating tables having notched lower plates, ofthe pawls N N engaging said plates of the said tables, of aconstantly-rotating disk K having a lug 7c projecting laterallytherefrom, the bell-crank levers O and 0, and the links 0, O and 0?,substantially as set forth.

6. In machines for the packing of powdered or like substances in bags,the combination with the plunger 01 fixed to the lower end of the rod D,of an elastic ring d, loose plate (I having a stem or tailpiece passingup the hollow center of the said rod D and with a lateral projection dtherefrom, lever d pivoted on the exterior of rod D, and projections dand d from the framing of the machine, substantially as set forth.

7 In machines for packing powdered substances in bags, the combinationwith the in termittently-rotating packing-table, of a platform beneaththe table, a receiving-box slidably mounted thereon, an operatin g-camhaving connections to said box for reciprocating the same, a falsebottom in said receivingbox having a rod depending therefrom, said rodhaving a slotted lower end, a lifting-lever for intermittently engagingand disengaging said slotted end of the rod, and means for operatingsaid lifting-lever, substantially as described.

-8. InInachines for the packing of powdered or like substances in bagsand having reciprocatingboxesR intowhich the packages are dischargedfrom intermittently-rotatingpacking-tables, and final receiving-troughsS, the

. combination with the said boxes R and troughs S, of push-plates Sattached to a bar S spring S bell-crank lever S revolving 4 disk 8", androd S the said disk being provided with a laterally-projecting pindepressing during its revolution with the disk the folding down threesides of the bags of a spring folding-plate U for folding the other sidemounted on a spindle U extending across one side of the top of the saidbox and provided with a projection U, and a pivoted abutment-piece Usubstantially as set forth.

11. In machines for packing powdered and like substances in bags, areciprocating box, means carried by the box for folding in two of thesides of the bags, successively-acting flaps hinged to said box forfolding in the other two sides, pasting means carried by thefirst-acting flap, and devices whereby the reciprocation of the boxoperates said folding means, substantially as described.

12. In machines for packing powdered substances in bags the combinationwith the reciprocating bag-holding box, of oscillating folding-platesfor folding two sides of the bag, a spr ing-,lfolding-plaie having apasting-pad and reservoir for folding and pasting the third side, astripper-bar for holdingthe said third side down as the folding-platerises, a second springfolding-plate for folding the fourth side downupon said pasted side and devices whereby the reciprocation of the boxactuates all of said folding means, substantially as described.

13. In machines for packing powdered substances in bags the combinationwith the reciprocating bag-holding box, and bag-folding means includingtwo successively-acting folding-plates and a pasting-pad carried by thefirst-acting plate, of a retaining-lever, means for holding saidretaining-lever down upon the bag while the folding-plate and pad rises,means operated by the movement of the suc ceeding folding-plate forreleasing said retaining-lever and devices whereby the reciprocation ofthe box operates said folding means, substantially as described.

In witness whereof I have hereunto set my hand in presence of twowitnesses.

ARTHUR SMITH.

Witnesses:

EDWARD MARKS, HERBERT BOWKETT.

